Portable computer



FIG. 1 is a top plan view of the portable computer embodying the claimed design;

FIG. 2 is a rear elevational view of the portable computer shown in FIG. 1;

FIG. 3 is a front elevational view of the portable computer shown in FIG. 1;

FIG. 4 is a right side view of the portable computer shown in FIG. 1;

FIG. 5 is a left side view of the portable computer shown in FIG. 1;

FIG. 6 is a bottom plan view of the portable computer shown in FIG. 1; and,

FIG. 7 is a perspective view of the portable computer. 

The ornamental design for the portable computer, as shown and described. 